Week 4 15.18 Sixty-four students in an introductory college economics class were asked how many credits they had earned in college‚ and how certain they were about their choice of major. Research question: At α = .01‚ is the degree of certainty independent of credits earned? Certaint Credits Earned | Very Uncertain | Somewhat certain | Very Certain | Row Total | 0–9 | 12 | 8 | 3 | 23 | 10 to 59 | 8 | 4 | 10 | 22 | 60 or more | 1 | 7 | 11 | 19 | Col Total | 21 | 19 | 24 | 64 |
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the world. Thus‚ this country has been scientifically advanced for several centuries now and the Indian scientists have made numerous path-breaking discoveries in the field of science. The various fields in which the Indian scientists have excelled include mathematics‚ warfare‚ geometry‚ astronomy‚ medicine‚ space science‚ physics‚ chemistry‚ botany‚ etc. The astonishing inventions of the Indian scientists have played a vital role in the overall development of the country. They have also made
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statistics Berlin Brandenburg Die kleine Berlin–Statistik 2011 Editor: Amt für Statistik Berlin-Brandenburg English edition Information management Photograph credits Amt für Statistik Berlin-Brandenburg Behlertstraße 3a 14467 Potsdam Telephone: +49 331 8173-1777 Telefax: + 49 30 9028-4091 E-Mail: info@statistik-bbb.de www.statistik-berlin-brandenburg.de »The Berlin Bear« (heraldic beast). The photo was created with the kind support of Mrs. Kutzner (District Office Berlin-Mitte)
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QUANTITATIVE METHODS - STATISTICS ------------------------------------------------- (SUBJECT CODE: STA1114) ------------------------------------------------- Instructions to Students: 1. Assignment questions consist of: * Question One - 25% * Question Two - 25% 2. Assignment question must be combined into ONE (1) booklet‚ attached with “Assignment Submission Form” as the front cover‚ enclosed with the “Marking Criteria.” typed with double spacing
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Today‚ 564‚708 people in the U.S. are homeless (“2016’s Shocking Homelessness Statistics”). As we speak‚ the rate of homelessness continues to rise. There are many reasons for homelessness: national debt‚ natural disasters‚ and unemployment. Although national debt and natural disasters are important factors of homelessness‚ society mainly focuses on unemployment and limited job opportunities. In fact‚ society stigmatizes homeless people as lazy and hopeless individuals. For example‚ many people think
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1. Journal article with DOI assigned‚ one author. **** Preferred format for DOI number if using the APA Style Guide to Electronic References (2012): Hai- Qiang‚ M.‚ Su-Mei‚ W.‚ Da‚ Z.‚ Jun-Tao‚ C.‚ Ling-Ling‚ J.‚ Yan-Xue‚ H.‚ & Ling-An‚ W. (2004). Chinese Physics Letters‚ 21(10)‚ 1961-1987. http://dx.doi.org/10.0256-307X/21/1961 NOTE: If using the APA 6th ed.‚ use doi:10.0256-307X/21/1961 Smith‚ J. (2010). An interdisciplinary
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EXERCISE IN STATISTICS Below are hypothetical data. (1) Organize them in bivariate tables to answer the problems below. Determine the statistics to use for each. 1. Are sex and occupation associated? 2. Are age and income correlated? 3. Are educational attainment and sex associated? 4. Are civil status and occupation associated? 5. Are occupation and income related N>E> you may use data transformation (from interval data to nominal data) Respondent No. Age Sex Civil Status Educational attainment
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natural. A top level manager is supposed to make good use of the three basic skills and enhance them. These are technical skills‚ human skills and conceptual skills. Technical skills play an important role in a specialized field‚ such as engineering‚ computer‚ marketing‚ or accounting. Learning technical skills through trail and error contributes to company ’s development. Technical skills can increase productivity and efficiency because technical skill implies an understanding of‚ and proficiency in
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Simple Random Sampling The simplest form of random sampling is called simple random sampling. • • Objective: To select n units out of N such that each NCn has an equal chance of being selected. Procedure: Use a table of random numbers‚ a computer random number generator or a mechanical device to select the sample. Example The problem A small service agency wishes to assess client’s views of quality of service over the
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R=0.86434 is positive and close to 1‚ it suggests that there is a strong positive relationship between the shoe size and the height. Next‚ let’s formulate the following data (see SHOW SIZE DATA) Using Excel to get the following descriptive statistics for both variables:
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